Diamonds are a miner’s best friend, a blue gleam in the darkness that you can use to craft the best stuff. The best stuff. Pickaxes that can hack through obsidian, swords that can hack through wither skeletons, armour that can withstand the force of 1000 spiders. Diamond is the best!
Or is it?

Diamond ore mined using an iron or diamond pickaxe will drop a single diamond. If the pickaxe is enchanted with Fortune, it can drop an extra diamond per level of Fortune, allowing for a maximum of 4 with Fortune III. If the ore is mined using a pickaxe enchanted with Silk Touch, it will drop itself rather than a diamond.

Diamond was changed in the game code from emerald to diamond, due to actual emeralds being added. Diamond's original name during Indev, as stated above, was emerald in the code, and was kept this way until this snapshot.

In real life, diamond is very fragile in certain directions, so it is not a good material for suits of armor. They are, however, commonly used for industrial purposes, generally as diamond-tipped drill bits and saw blades. They are usually used for cutting stone and other hard materials.

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